From owner-freebsd-questions@FreeBSD.ORG  Wed Jul 20 15:49:38 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 43BA616A41F
	for <freebsd-questions@freebsd.org>;
	Wed, 20 Jul 2005 15:49:38 +0000 (GMT)
	(envelope-from vdm.fbsd@virgilio.it)
Received: from vsmtp14.tin.it (vsmtp14.tin.it [212.216.176.118])
	by mx1.FreeBSD.org (Postfix) with ESMTP id C7F0C43D48
	for <freebsd-questions@freebsd.org>;
	Wed, 20 Jul 2005 15:49:32 +0000 (GMT)
	(envelope-from vdm.fbsd@virgilio.it)
Received: from ims1d.cp.tin.it (192.168.70.101) by vsmtp14.tin.it (7.2.060.1)
	id 42CDD25E0059F525 for freebsd-questions@freebsd.org;
	Wed, 20 Jul 2005 17:49:30 +0200
Received: from [192.168.70.227] by ims1d.cp.tin.it with HTTP;
	Wed, 20 Jul 2005 17:49:28 +0200
Date: Wed, 20 Jul 2005 17:49:28 +0200
Message-ID: <42DC14FE0000EC76@ims1d.cp.tin.it>
From: vdm.fbsd@virgilio.it
To: freebsd-questions@freebsd.org
MIME-Version: 1.0
Content-Type: text/plain; charset="ISO-8859-15"
Content-Transfer-Encoding: quoted-printable
X-Originating-IP: 193.108.204.21
Subject: usb mass storage failure
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 20 Jul 2005 15:49:38 -0000

Context: freebsd 5.4

Dear All,

My brand-new usb mp3 reader, even though is seen as a flash disk by the O=
S,
cannot be used because:

(/var/log/message extract)

umass0: vendor 0x10d6 USB 2.0(FS) FLASH DISK, rev 1.10/1.00, addr 2
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <USB2.0 (FS) FLASH DISK 1.00> Removable Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: 497MB (1019617 512 byte sectors: 64H 32S/T 497C)
umass0: BBB reset failed, STALLED
umass0: BBB bulk-in clear stall failed, STALLED
umass0: BBB bulk-out clear stall failed, STALLED
(da0:umass-sim0:0:0:0): Synchronize cache failed, status =3D=3D 0x4, scsi=
 status
=3D=3D 0x0
umass0: BBB reset failed, STALLED
umass0: BBB bulk-in clear stall failed, STALLED
umass0: BBB bulk-out clear stall failed, STALLED
umass0: BBB reset failed, STALLED
...........................................
umass0: BBB bulk-in clear stall failed, STALLED
umass0: BBB bulk-out clear stall failed, STALLED
Opened disk da0 -> 5
umass0: BBB reset failed, STALLED
umass0: BBB bulk-in clear stall failed, STALLED
umass0: BBB bulk-out clear stall failed, STALLED
umass0: BBB reset failed, STALLED
.............................................................
Opened disk da0 -> 5
umass0: at uhub0 port 2 (addr 2) disconnected
(da0:umass-sim0:0:0:0): lost device
(da0:umass-sim0:0:0:0): removing device entry
umass0: detached
...............................

Anyone out there could tell me why it happens and what I should do?

Thanks
Vittorio